Le Wed, 30 Sep 2009 13:50:22 +0800, Peter Teoh <htmldeveloper@xxxxxxxxx> a écrit : > generally, port i/o programming is always slower than mmio, why don't > u consider that option? Well, it's rarely an option. Either the device is programmed through PIO *or* through MMIO. And I suspect that most ISA devices can only be programmed through PIO. Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers and embedded Linux development, consulting, training and support. http://free-electrons.com -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
